Update CHANGELOG

Author: dolfinus

CHANGELOG.rst

@@ -1,13 +1,28 @@
 Changelog
 ==========
 
-2.1
+2.2
 ---
 
 .. changelog::
-    :version: 2.1.1
+    :version: 2.2.0
     :released: 15.01.2026
 
+    .. change::
+        :tags: refactor
+
+        Do not use ``Popen(shell=True)`` anymore.
+
+    .. change::
+        :tags: refactor
+
+        Make most of args in ``version_from_git()`` keyword-only.
+
+    .. change::
+        :tags: refactor
+
+        Timestamps in version template are now timezone-aware
+
     .. change::
         :tags: bugfix
 
@@ -19,6 +34,9 @@ Changelog
 
         Fix epoch versions like ``0!2025.12.3`` were wrongly converted to ``0.2025.12.3``.
 
+2.1
+---
+
 .. changelog::
     :version: 2.1.0
     :released: 10.01.2025